CN210620563U - Dewatering component of sludge dewatering machine - Google Patents

Abstract

The utility model discloses a sludge dewaterer's dehydration subassembly, it is connected in the sludge dewatering box and by power unit drive pivoted many dehydration axles including rotating, and the cover is equipped with along the tight range of dehydration axle and along with dehydration axle pivoted multiunit dehydration subassembly on the dehydration axle, and the dehydration axle constitutes the dehydration roller with the epaxial multiunit dehydration subassembly of installation dehydration of closely arranging jointly, the dehydration subassembly includes the dehydration supporting disk of two relative settings and the dehydration dish of centre gripping between two dehydration supporting disks, and the diameter of dehydration dish is greater than the diameter of dehydration supporting disk, and the surface of one of them dehydration supporting disk is equipped with the ring arch. The utility model discloses can install and realize the biggest sludge dewatering on the hydroextractor, have greatly reduced manufacturing cost and maintenance cost's advantage.

Description

Dewatering component of sludge dewatering machine

Technical Field

The utility model relates to a sludge dewaterer's dehydration subassembly.

Background

The dewatering components of the sludge dewatering machine adopted in China are various, the dewatering treatment is mainly carried out in a spiral sheet extrusion mode, in the existing sewage treatment equipment, a flocculating agent is added into sewage to enable the sewage to form flocculent sludge, and then the dewatering machine is used for separating solid from liquid. The applicant discloses a disc type sludge thickener with patent number 2015102834731, which is provided with a filter body, wherein the filter body comprises a plurality of middle filter discs and interval filter discs which are connected on a transmission shaft and are arranged alternately, a liquid flowing gap is arranged between the middle filter discs and the interval filter discs, and liquid flowing gaps are arranged between the interval filter discs on two adjacent transmission shafts, the corresponding interval filter discs and the corresponding middle filter discs which are arranged correspondingly. The diameter of some interval filters in the epaxial interval filter of transmission is less than the diameter of middle filter, the diameter of the interval filter of the rest is greater than the diameter of middle filter, and the interval filter that the diameter is big on the adjacent transmission shaft corresponds the little interval filter setting of its adjacent epaxial diameter of transmission, the interval filter that the diameter is big on the coaxial sets up with the interval filter that the diameter is little alternately, it has following shortcoming, because it has set up interval filter, current interval filter all adopts stainless steel material to make, its thickness is thinner, if be used for the desliming dehydration in-process that concentration is big, two interval filters offset, make the stainless steel sheet deformation easily, thereby cause the increase of maintenance cost. In addition, the liquid flow gap can be realized only by arranging a plurality of convex columns, so that the cost is increased in the casting and processing processes.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to above-mentioned defect, provide a sludge dewaterer's dehydration subassembly, this sludge dewaterer's dehydration subassembly can realize the complete dehydration of mud to greatly reduced manufacturing cost and maintenance cost.

For solving the technical problem, the utility model discloses a rotate and connect in the sludge dewatering incasement and by power unit drive pivoted many dehydration axles, the cover is equipped with along the dehydration axle closely arranges and along with dehydration axle pivoted multiunit dehydration subassembly on the dehydration axle, the dehydration axle with closely arrange the epaxial multiunit dehydration subassembly of installation dehydration and constitute the dehydration roller jointly, its structural feature is: the dehydration assembly comprises two dehydration supporting disks which are oppositely arranged and a dehydration disk clamped between the two dehydration supporting disks, the diameter of the dehydration disk is larger than that of each dehydration supporting disk, and the outer surface of one of the dehydration supporting disks is provided with an annular bulge.

The dehydration supporting disk is divided into an inner supporting disk and an outer supporting disk which are connected on a dehydration shaft, the ring bulge is arranged on the outer supporting disk, a positioning bulge is arranged on the outer supporting disk or the inner supporting disk, a positioning groove for inserting the positioning bulge is arranged on the dehydration disk, key grooves extending in the axial direction are arranged on the inner supporting disk, the outer supporting disk and the dehydration disk, and the key connection of the key grooves in the key grooves is inserted into the key grooves.

The positioning protrusion is an annular protrusion annularly distributed on the inner supporting disk.

The plurality of dewatering rolls are adjacently and continuously arranged, and the dewatering components on the two adjacent dewatering rolls are arranged in a staggered manner; in two adjacent groups of dewatering assemblies on the same dewatering roll, the ring bulge of the dewatering support disk in one group of dewatering assemblies is abutted against the disk side surface of the dewatering support disk of the other group of dewatering assemblies, and the disk side surface of the dewatering support disk and the outer circumferential surface of the ring bulge form a dewatering gap; in two adjacent dewatering rolls, the dewatering plate on the previous dewatering roll is inserted into the dewatering gap on the next dewatering roll, and a fluid gap is arranged between the outer circumferences of the two oppositely arranged dewatering support plates on the two dewatering rolls.

The outer circumferential surface of the dewatering discs is close to the outer circumferential surface of the annular bulge, and a flowing liquid gap is arranged between the outer circumferential surfaces of the two dewatering supporting discs which are oppositely arranged on the two dewatering rolls.

After adopting above-mentioned structure for set up the structure of dehydration supporting disk and dehydration dish, only need three subassembly to mutually support and just can realize the dehydration, along with the rotation of dehydration roller, the dehydration dish cuts, stirs in stretching into mud, and water flows out in above-mentioned dehydration clearance and the flowing liquid clearance, has realized the sludge dewatering process.

To sum up, the utility model discloses can install and realize the biggest sludge dewatering on the hydroextractor, have greatly reduced manufacturing cost and maintenance cost's advantage.

Drawings

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a sludge thickener according to the prior art;

FIG. 2 is a schematic diagram of the structure of the filter body of the sludge thickener in FIG. 1;

FIG. 3 is a schematic structural diagram of an embodiment of the present invention

FIG. 4 is a partially enlarged view of two adjacent dewatering rolls;

FIG. 5 is a perspective view of two sets of dewatering elements engaged;

FIG. 6 is a schematic structural view of an inner support disk;

FIG. 7 is a schematic structural view taken along line A-A of FIG. 6;

FIG. 8 is a schematic structural view of an outer support plate;

FIG. 9 is a schematic structural view taken along line B-B in FIG. 8;

FIG. 10 is a schematic view showing the structure of a dewatering tray;

fig. 11 is a schematic structural view taken along the line C-C in fig. 10.

Detailed Description

To fully explain the research and development background of the present invention and the disadvantages existing in the prior art, as shown in fig. 1 and 2, the applicant disclosed a disc type sludge thickener in chinese patent No. 2015102834731, which has the following structure (the reference numerals in the figure may not be consistent with the original publication, but the specific names thereof are consistent), a thickening box 101 is mounted on a frame 100, a feed hopper is disposed at the front of the thickening box 101, at least three transmission shafts 102 driven by a power device and spaced from front to back are connected in the thickening box 101, the height of the plurality of transmission shafts 102 gradually increases from front to back, the transmission shaft is located below the rear part of the feed hopper, a filter body for driving the sludge to move back and thickening the sludge is mounted on the transmission shaft, two side parts of the filter body are disposed near the inner wall of the thickening box, a liquid outlet pipe located below the transmission shaft is connected to the lower part of the thickening box, a sludge guide hopper which is positioned below the rearmost transmission shaft and extends towards the rear lower part is arranged in the concentration box. The filter body is including connecting on transmission shaft 102 and interval filter 103 and the interval filter 104 in the middle of the polylith that sets up alternately, is equipped with the liquid flow clearance between middle filter 103 and the interval filter 104, and two adjacent transmission epaxial interval filter 104 and middle filter 103 correspond the setting and be equipped with the liquid flow clearance between the interval filter that corresponds and the middle filter that corresponds. The diameter of part of the interval filter sheets 104 in the interval filter sheets 104 on the transmission shaft 102 is smaller than that of the middle filter sheet 103, the diameter of the rest of the interval filter sheets 104 is larger than that of the middle filter sheet 103, the interval filter sheet with the larger diameter on the adjacent transmission shaft is arranged corresponding to the interval filter sheet with the smaller diameter on the adjacent transmission shaft, and the interval filter sheets with the larger diameter and the interval filter sheets with the smaller diameter on the same shaft are arranged at intervals, and the following defects exist, firstly, it is obvious that the sludge passes through the upper part of the transmission shaft, namely the arrow line in figure 1 represents the trend of the sludge, the sludge is naturally dewatered by using the gravity of water, and filter bodies are cut by filter sheets with different heights, so that the sludge is dewatered, therefore, the sludge dewatering is only suitable for concentrating the sludge, but not completely realizing sludge dewatering, namely, the sludge solid content is adjusted to be between 1% -4%; secondly, because it has set up the interval filter disc, current interval filter disc all adopts stainless steel material to make, and its thickness is thinner, if be used for the desliming dehydration process that concentration is big, two interval filter discs offset, make the stainless steel piece warp easily to cause the increase of maintenance cost, therefore it is not suitable for the sludge dewatering, also can not reach better sludge dewatering effect.

Referring to fig. 3 to 7, the applicant provides a sludge dewatering machine's dehydration subassembly, it includes rotates to connect at sludge dewatering box 2 and by many dehydration axles 4 of power unit drive pivoted, and sludge dewatering box 2's front portion is equipped with the feed inlet, the rear end is equipped with the discharge gate, be connected with the feeder hopper 3 that stretches out to the below of following on sludge dewatering box 2's the feed inlet, the cover is equipped with along closely arranging and following the rotatory multiunit dehydration subassembly of dehydration axle on the dehydration axle, and dehydration axle and closely arrange the epaxial multiunit dehydration subassembly of installation dehydration and constitute dehydration roller 5 jointly, and a set of dehydration roller set is constituteed to many dehydration rollers of arranging in succession.

Referring to fig. 3 to 11, the dewatering assembly includes two oppositely disposed dewatering supporting discs and a dewatering disc 8 clamped between the two dewatering supporting discs, the dewatering supporting discs are made of wear-resistant plastics, the dewatering disc 8 is made of stainless steel, the diameter of the dewatering disc 8 is larger than that of the dewatering supporting discs, an annular protrusion 71 is disposed on the outer surface of one of the dewatering supporting discs, the dewatering rolls 5 are adjacently and continuously arranged, and the dewatering assemblies on the two adjacent dewatering rolls 5 are staggered; in two adjacent groups of dewatering assemblies on the same dewatering roll 5, the end surface of the annular bulge 71 of the dewatering supporting disk in one group of dewatering assemblies is abutted against the disk side surface of the dewatering supporting disk of the other group of dewatering assemblies, and the disk side surface of the dewatering supporting disk and the outer circumferential surface of the annular bulge 71 form a dewatering gap; in two adjacent dewatering rolls, the dewatering disc 8 on the previous dewatering roll is inserted into the dewatering gap on the next dewatering roll, the outer circumferential surface of the dewatering disc is close to the outer circumferential surface of the annular bulge 71, a fluid gap is arranged between the outer circumferential surfaces of the two oppositely arranged dewatering supporting discs on the two dewatering rolls, the dewatering discs extend into sludge to cut and stir along with the rotation of the dewatering rolls 5, and water flows out from the dewatering gap and the fluid gap, so that the sludge dewatering process is realized. The dehydration supporting disk is divided into an inner supporting disk 6 and an outer supporting disk 7 which are connected on a dehydration shaft, a ring bulge 71 is arranged on the outer supporting disk 7, a positioning bulge 61 is arranged on the outer supporting disk or the inner supporting disk, in the embodiment, the positioning bulge 61 is arranged on the inner supporting disk 6, and the positioning bulge 61 can be arranged on the outer supporting disk, namely, the ring bulge and the positioning bulge are respectively arranged at two sides of the outer supporting disk, a positioning groove 81 for inserting the positioning bulge is arranged on the dehydration disk 8, key grooves 50 which extend axially are arranged on the inner supporting disk, the outer supporting disk and the dehydration disk, and the dehydration shaft 4 is connected through key inserted in the key grooves, so that the assembled dehydration component rotates along with the dehydration shaft 4.

The utility model discloses an above do the concrete structural style, the utility model discloses do not receive the restriction of above-mentioned embodiment, in this technical field personnel, based on the utility model discloses go up the equivalent change and the part replacement of concrete structure and all be in the utility model discloses a within range.

Claims (5)

1. The utility model provides a sludge dewaterer's dehydration subassembly, connects in sludge dewatering box (2) and by many dehydration axle (4) of power unit drive pivoted including rotating, the epaxial cover of dehydration is equipped with along the dehydration axle closely arrange and along with dehydration axle pivoted multiunit dehydration subassembly, dehydration axle and closely arrange the epaxial multiunit dehydration subassembly of installation dehydration and constitute dehydration roller (5), characterized by jointly: the dehydration assembly comprises two dehydration supporting disks which are oppositely arranged and a dehydration disk clamped between the two dehydration supporting disks, the diameter of the dehydration disk is larger than that of the dehydration supporting disks, and an annular bulge (71) is arranged on the outer surface of one of the dehydration supporting disks.

2. The dewatering module of a sludge dewatering machine according to claim 1, wherein: the dehydration supporting disk divide into and connects interior supporting disk (6) and outer supporting disk (7) of dehydrating epaxial, ring arch (71) sets up on outer supporting disk (7), be equipped with location protruding (61) on outer supporting disk or the interior supporting disk, be equipped with on the dehydration dish and supply to fix a position protruding male constant head tank, all be equipped with the keyway of axial extension on interior supporting disk, outer supporting disk and the dehydration dish and go up and connect the dehydration epaxially through the key-type connection of cartridge in the keyway.

3. The dewatering module of a sludge dewatering machine according to claim 2, wherein: the positioning protrusions (61) are annular protrusions annularly distributed on the inner supporting disk.

4. The dewatering module of a sludge dewatering machine according to claim 1, wherein: the plurality of dewatering rolls are adjacently and continuously arranged, and the dewatering components on the two adjacent dewatering rolls are arranged in a staggered manner; in two adjacent groups of dewatering assemblies on the same dewatering roll, the ring bulge of the dewatering support disk in one group of dewatering assemblies is abutted against the disk side surface of the dewatering support disk of the other group of dewatering assemblies, and the disk side surface of the dewatering support disk and the outer circumferential surface of the ring bulge form a dewatering gap; in two adjacent dewatering rolls, the dewatering plate on the previous dewatering roll is inserted into the dewatering gap on the next dewatering roll, and a fluid gap is arranged between the outer circumferences of the two oppositely arranged dewatering support plates on the two dewatering rolls.

5. The dewatering module of a sludge dewatering machine according to any one of claims 1-4, characterized in that: the outer circumferential surface of the dewatering discs is close to the outer circumferential surface of the annular bulge, and a flowing liquid gap is arranged between the outer circumferential surfaces of the two dewatering supporting discs which are oppositely arranged on the two dewatering rolls.

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